// Copyright 2014 mqant Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Package mqanttools 随机数生成
package mqanttools

import "math/rand"

// RandInt64 生成一个min->max的随机数
func RandInt64(min, max int64) int64 {
	if min >= max {
		return max
	}
	return rand.Int63n(max-min) + min
}
